1-Phenyl-1-pentanone can be used as an organic synthesis intermediate and a pharmaceutical intermediate, and can be used in laboratory research and development processes as well as chemical and pharmaceutical synthesis processes. Purpose: Phenylpentanone is an organic chemical reagent Chemicalbook that can be used for organic synthesis. Preparation of benzophenone is an organic intermediate that can be prepared by the Friedel Crafts reaction of benzene and n-valeryl chloride, or by the Grignard reaction of methyl benzoate.